/*
*  Copyright 2019-2020 Zheng Jie
*
*  Licensed under the Apache License, Version 2.0 (the "License");
*  you may not use this file except in compliance with the License.
*  You may obtain a copy of the License at
*
*  http://www.apache.org/licenses/LICENSE-2.0
*
*  Unless required by applicable law or agreed to in writing, software
*  distributed under the License is distributed on an "AS IS" BASIS,
*  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
*  See the License for the specific language governing permissions and
*  limitations under the License.
*/
package me.zhengjie.modules.system.service.impl;

import me.zhengjie.modules.system.domain.FileDetail;
import me.zhengjie.utils.ValidationUtil;
import me.zhengjie.utils.FileUtil;
import lombok.RequiredArgsConstructor;
import me.zhengjie.modules.system.repository.FileDetailRepository;
import me.zhengjie.modules.system.service.FileDetailService;
import me.zhengjie.modules.system.service.dto.FileDetailDto;
import me.zhengjie.modules.system.service.dto.FileDetailQueryCriteria;
import me.zhengjie.modules.system.service.mapstruct.FileDetailMapper;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.Pageable;
import me.zhengjie.utils.PageUtil;
import me.zhengjie.utils.QueryHelp;
import java.util.List;
import java.util.Map;
import java.io.IOException;
import javax.servlet.http.HttpServletResponse;
import java.util.ArrayList;
import java.util.LinkedHashMap;

/**
* @website https://el-admin.vip
* @description 服务实现
* @author whj
* @date 2021-06-03
**/
@Service
@RequiredArgsConstructor
public class FileDetailServiceImpl implements FileDetailService {

    private final FileDetailRepository fileDetailRepository;
    private final FileDetailMapper fileDetailMapper;

    @Override
    public Map<String,Object> queryAll(FileDetailQueryCriteria criteria, Pageable pageable){
        Page<FileDetail> page = fileDetailRepository.findAll((root, criteriaQuery, criteriaBuilder) -> QueryHelp.getPredicate(root,criteria,criteriaBuilder),pageable);
        return PageUtil.toPage(page.map(fileDetailMapper::toDto));
    }

    @Override
    public List<FileDetailDto> queryAll(FileDetailQueryCriteria criteria){
        return fileDetailMapper.toDto(fileDetailRepository.findAll((root, criteriaQuery, criteriaBuilder) -> QueryHelp.getPredicate(root,criteria,criteriaBuilder)));
    }

    @Override
    @Transactional
    public FileDetailDto findById(Long id) {
        FileDetail fileDetail = fileDetailRepository.findById(id).orElseGet(FileDetail::new);
        ValidationUtil.isNull(fileDetail.getId(),"FileDetail","id",id);
        return fileDetailMapper.toDto(fileDetail);
    }

    @Override
    @Transactional(rollbackFor = Exception.class)
    public FileDetailDto create(FileDetail resources) {
        return fileDetailMapper.toDto(fileDetailRepository.save(resources));
    }

    @Override
    @Transactional(rollbackFor = Exception.class)
    public void update(FileDetail resources) {
        FileDetail fileDetail = fileDetailRepository.findById(resources.getId()).orElseGet(FileDetail::new);
        ValidationUtil.isNull( fileDetail.getId(),"FileDetail","id",resources.getId());
        fileDetail.copy(resources);
        fileDetailRepository.save(fileDetail);
    }

    @Override
    public void deleteAll(Long[] ids) {
        for (Long id : ids) {
            fileDetailRepository.deleteById(id);
        }
    }

    @Override
    public void download(List<FileDetailDto> all, HttpServletResponse response) throws IOException {
        List<Map<String, Object>> list = new ArrayList<>();
        for (FileDetailDto fileDetail : all) {
            Map<String,Object> map = new LinkedHashMap<>();
            map.put("文件名", fileDetail.getFileName());
            map.put("文件json路径", fileDetail.getFilePath());
            map.put("文件是否被识别 若被修改 ", fileDetail.getStatus());
            map.put("识别结果路径，如果json被修改过重新识别，则继续添加路径以，分割", fileDetail.getResultPath());
            map.put("修改时间，json若被修改则", fileDetail.getUpdateTime());
            map.put("识别结果图片保存路径", fileDetail.getResultImagePath());
            list.add(map);
        }
        FileUtil.downloadExcel(list, response);
    }
}